As the climate warms, ancient pathogens unleashed by thawing Arctic permafrost may pose a risk to modern ecosystems, according to a new study.
As the climate warms, scientists have suggested that “time-traveling pathogens” unleashed by thawing Arctic permafrost may pose a risk to modern ecosystems. Permafrost is a hard layer of frozen ground made of soil, sand and rocks in high-latitude areas such as Greenland, Alaska, Siberia, the Tibetan Plateau and northern Canada.
Invasive species around the world in pictures During the study’s successful invasion events, the resulting 32% loss of species diversity doesn’t mean that the virus killed one-third of all bacteria in the digital ecosystem, Strona said. Rather, it means that the entire ecosystem saw a loss in bacterial diversity by 32%. When the viruses infected the bacteria and killed their hosts, the effects on the ecosystem were catastrophic.
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